fix: normalize version to wildcard in release workflow

The runtime cache expects wildcard versions (v1.6.x) in download URLs,
but the workflow was tagging releases with exact versions (v1.6.1).
Now the workflow maps v1.6.1 → v1.6.x before tagging and naming the
artifact.

Author: inancgumus

.github/workflows/release-bundle.yml

@@ -12,25 +12,35 @@ on:
 jobs:
   build-bundle:
     runs-on: ubuntu-latest
-    env:
-      VERSION: ${{ github.event.client_payload.version || github.event.inputs.version }}
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
           go-version-file: go.mod
+      - name: Resolve version
+        id: version
+        run: |
+          RAW="${{ github.event.client_payload.version || github.event.inputs.version }}"
+          # Ensure v prefix
+          RAW="${RAW#v}"
+          RAW="v${RAW}"
+          # Map to wildcard: v1.6.1 → v1.6.x
+          WILDCARD=$(echo "$RAW" | sed 's/\.[0-9]*$/\.x/')
+          echo "exact=$RAW" >> "$GITHUB_OUTPUT"
+          echo "wildcard=$WILDCARD" >> "$GITHUB_OUTPUT"
+          echo "Exact: $RAW → Wildcard: $WILDCARD"
       - name: Clone k6-docs
         run: git clone --depth 1 https://github.com/grafana/k6-docs.git /tmp/k6-docs
       - name: Prepare docs
-        run: go run ./cmd/prepare --k6-version=${{ env.VERSION }} --k6-docs-path=/tmp/k6-docs --output-dir=dist
+        run: go run ./cmd/prepare --k6-version=${{ steps.version.outputs.exact }} --k6-docs-path=/tmp/k6-docs --output-dir=dist
       - name: Compress bundle
         run: |
-          apt-get update && apt-get install -y zstd
-          tar -cf - -C dist . | zstd --ultra -22 -o docs-${{ env.VERSION }}.tar.zst
+          sudo apt-get update && sudo apt-get install -y zstd
+          tar -cf - -C dist . | zstd --ultra -22 -o docs-${{ steps.version.outputs.wildcard }}.tar.zst
       - name: Publish release
         uses: softprops/action-gh-release@v2
         with:
-          tag_name: docs-${{ env.VERSION }}
-          name: "Docs bundle for k6 ${{ env.VERSION }}"
-          files: docs-${{ env.VERSION }}.tar.zst
-          body: "Auto-generated documentation bundle for k6 ${{ env.VERSION }}"
+          tag_name: docs-${{ steps.version.outputs.wildcard }}
+          name: "Docs bundle for k6 ${{ steps.version.outputs.wildcard }}"
+          files: docs-${{ steps.version.outputs.wildcard }}.tar.zst
+          body: "Auto-generated documentation bundle for k6 ${{ steps.version.outputs.exact }}"